#
#  Copyright (c) 2017-2023, Intel Corporation
#
#  SPDX-License-Identifier: BSD-3-Clause

FROM centos:7
MAINTAINER Dmitry Babokin <dmitry.y.babokin@intel.com>

ARG REPO=ispc/ispc
ARG SHA=v1.16.0
ARG LLVM_VERSION=12.0
ARG L0L_VER=1.2.3
ARG VC_INTRINSICS_COMMIT_SHA="2d0795c6799d262a464e5e8b8f74b09dd3ec1054"
ARG SPIRV_TRANSLATOR_COMMIT_SHA="0592c4f6fc42ec947f462e81628280e960a12042"

# !!! Make sure that your docker config provides enough memory to the container,
# otherwise LLVM build may fail, as it will use all the cores available to container.

# Packages required to build ISPC and Clang.
RUN yum -y update; yum -y install centos-release-scl epel-release; yum clean all
RUN yum install -y vim wget yum-utils gcc gcc-c++ git python3 m4 bison flex patch make ncurses-devel glibc-devel.x86_64 glibc-devel.i686 xz devtoolset-7 && \
    yum install -y libtool autopoint gettext-devel texinfo help2man && \
    yum clean -y all

# These packages are required if you need to link ISPC with -static.
RUN yum install -y ncurses-static libstdc++-static && \
    yum clean -y all

# Download and install required version of cmake (3.14) for ISPC build
RUN wget -q --retry-connrefused --waitretry=5 --read-timeout=20 --timeout=15 -t 5 https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.sh && mkdir /opt/cmake && sh cmake-3.14.0-Linux-x86_64.sh --prefix=/opt/cmake --skip-license && \
    ln -s /opt/cmake/bin/cmake /usr/local/bin/cmake && rm cmake-3.14.0-Linux-x86_64.sh

# If you are behind a proxy, you need to configure git.
RUN if [ -v "$http_proxy" ]; then git config --global --add http.proxy "$http_proxy"; fi

WORKDIR /usr/local/src

# Fork ispc on github and clone *your* fork.
RUN git clone https://github.com/$REPO.git ispc
RUN cd ispc && git checkout $SHA && cd ..

# This is home for Clang builds
RUN mkdir /usr/local/src/llvm

ENV ISPC_HOME=/usr/local/src/ispc
ENV LLVM_HOME=/usr/local/src/llvm
ENV GENX_DEPS=/usr/local/deps

# If you are going to run test for future platforms, go to
# http://www.intel.com/software/sde and download the latest version,
# extract it, add to path and set SDE_HOME.

WORKDIR /usr/local/src/ispc

# Build Clang with all required patches.
# Pass required LLVM_VERSION with --build-arg LLVM_VERSION=<version>.
# Note self-build options, it's required to build clang and ispc with the same compiler,
# i.e. if clang was built by gcc, you may need to use gcc to build ispc (i.e. run "make gcc"),
# or better do clang selfbuild and use it for ispc build as well (i.e. just "make").
# "rm" are just to keep docker image small.
RUN source /opt/rh/devtoolset-7/enable && \
    ./alloy.py -b --version=$LLVM_VERSION --selfbuild --llvm-disable-assertions && \
    rm -rf $LLVM_HOME/build-$LLVM_VERSION $LLVM_HOME/llvm-$LLVM_VERSION $LLVM_HOME/bin-"$LLVM_VERSION"_temp $LLVM_HOME/build-"$LLVM_VERSION"_temp

ENV PATH=$LLVM_HOME/bin-$LLVM_VERSION/bin:$PATH

# Install newer zlib
WORKDIR /usr/local/src
RUN git clone https://github.com/madler/zlib.git && cd zlib && mkdir build && cd build && cmake .. -DCMAKE_BUILD_TYPE=Release && make -j8 && make install

# Install news flex (2.6.4)
WORKDIR /usr/local/src
RUN git clone https://github.com/westes/flex.git && cd flex && git checkout v2.6.4 && ./autogen.sh && ./configure && make -j8 && make install

# vc-intrinsics
WORKDIR /usr/local/src
RUN git clone https://github.com/intel/vc-intrinsics.git
WORKDIR /usr/local/src/vc-intrinsics
RUN git checkout $VC_INTRINSICS_COMMIT_SHA
RUN mkdir -p build
WORKDIR /usr/local/src/vc-intrinsics/build
RUN cmake -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang -DLLVM_DIR=$LLVM_HOME/bin-$LLVM_VERSION/lib/cmake/llvm -DCMAKE_INSTALL_PREFIX=$GENX_DEPS ../ && make install -j`nproc`

# SPIRV Translator
WORKDIR /usr/local/src
RUN git clone https://github.com/KhronosGroup/SPIRV-LLVM-Translator.git
WORKDIR /usr/local/src/SPIRV-LLVM-Translator
RUN git checkout $SPIRV_TRANSLATOR_COMMIT_SHA
RUN mkdir -p build
WORKDIR /usr/local/src/SPIRV-LLVM-Translator/build
RUN cmake -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang -DLLVM_DIR=$LLVM_HOME/bin-$LLVM_VERSION/lib/cmake/llvm/ -DCMAKE_INSTALL_PREFIX=$GENX_DEPS ../ && make install -j`nproc`

# L0
WORKDIR /usr/local/src
RUN git clone https://github.com/oneapi-src/level-zero.git
WORKDIR /usr/local/src/level-zero
RUN git checkout v$L0L_VER
RUN mkdir -p build
WORKDIR /usr/local/src/level-zero/build
RUN cmake -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang -DCMAKE_INSTALL_PREFIX=/usr/local ../ && make install -j`nproc`

# Build ISPC
ENV LD_LIBRARY_PATH=$LLVM_HOME/bin-$LLVM_VERSION/lib:$LD_LIBRARY_PATH
RUN mkdir build
WORKDIR /usr/local/src/ispc/build
RUN cmake .. -DISPC_PREPARE_PACKAGE=ON -DISPC_CROSS=ON -DGENX_ENABLED=ON -DGENX_DEPS_DIR=$GENX_DEPS && make -j8 package
